---
title: "SUM v4 n4"
id: 39353
type: "issue"
slug: "sum-v4-n4"
url: "http://localhost/issue/sum-v4-n4/"
markdown_url: "http://localhost/issue/sum-v4-n4.md"
published_at: "2022-07-10T22:52:55+00:00"
modified_at: "2026-08-02T00:03:29+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/07/20231230-203708.webp"
category:
  - name: "Periodicals"
    slug: "periodicals"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/"
  - name: "SUM"
    slug: "sum"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sum/"
periodical_issues:
  - id: 10242
    title: "SUM"
    type: "periodical"
    url: "http://localhost/periodical/sum/"
volume: "4"
number: "4"
issue_date: "April 1986"
issues_articles:
  - id: 44212
    title: "Editorial on the Sinclair/Amstrad Deal"
    type: "article"
    url: "http://localhost/article/editorial-on-the-sinclair-amstrad-deal/"
  - id: 44213
    title: "Producing Sprites on the 2068"
    type: "article"
    url: "http://localhost/article/producing-sprites-on-the-2068/"
  - id: 44214
    title: "Kempston, Another Spectrum Disk Interface"
    type: "article"
    url: "http://localhost/article/kempston-another-spectrum-disk-interface/"
  - id: 44215
    title: "Emergency Power for the 2068"
    type: "article"
    url: "http://localhost/article/emergency-power-for-the-2068/"
  - id: 46880
    title: "Sinclair Research Sells Out!"
    type: "article"
    url: "http://localhost/article/sinclair-research-sells-out-3/"
  - id: 46881
    title: "Letter from Editor"
    type: "article"
    url: "http://localhost/article/letter-from-editor/"
  - id: 46882
    title: "Workin’ in the Software Patch"
    type: "article"
    url: "http://localhost/article/workin-in-the-software-patch/"
  - id: 46883
    title: "Review: ZPrint 80 Universal Print Driver"
    type: "article"
    url: "http://localhost/article/review-zprint-80-universal-print-driver/"
  - id: 46884
    title: "The Heart of the Sinclair QL … the 68008"
    type: "article"
    url: "http://localhost/article/the-heart-of-the-sinclair-ql-the-68008-2/"
  - id: 46885
    title: "Reviewing Two TS-1000 Programs"
    type: "article"
    url: "http://localhost/article/reviewing-two-ts-1000-programs/"
  - id: 46886
    title: "Reviewing Two Printers"
    type: "article"
    url: "http://localhost/article/reviewing-two-printers/"
  - id: 46887
    title: "Vendor Report"
    type: "article"
    url: "http://localhost/article/vendor-report-25/"
archiveurl: "https://archive.org/details/SinclairTimexUsersMagazine/SUM v4 n4"
---